1 oz = 28349.523 mg
one mg is in one mg
One
1 ounce is 28,349.5mg
There are 1000 mcg in a mg. In addition there are 1000 mg in one gram.
1g=1000 mg
.001 mg
If they're mg of air, water, or roast beef . . . a lot. If they're mg of nicotine, H2S, or mercury . . . not many, safely.
One pound is 453,590 mg
One dram is 3,888 mg
1000 of them
1 million mg per kg